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Priority claimed from JP5534473Aexternal-prioritypatent/JPS5510313B2/ja
Priority claimed from JP6931873Aexternal-prioritypatent/JPS5018353A/ja
Priority claimed from JP48072461Aexternal-prioritypatent/JPS5020563A/ja
Priority claimed from JP9280073Aexternal-prioritypatent/JPS5041286A/ja
Application filed by Kobe Steel Ltd, Mitsubishi Heavy Ind LtdfiledCriticalKobe Steel Ltd
Publication of BR7404046D0publicationCriticalpatent/BR7404046D0/en